C13223313311212111133133313331333132313331333133313331323133313112112121   >>    C1322331331121211113313331333133313231333133313331333132313331311211212   <<    C13223313311212111133133313331333132313331333133313331323133313112112123   >>      C13223313311212111133133313331333132313331333133313331323133313112112122   >>